Article
Identification of alanine dehydrogenase and its role in mixed secretion of ammonium and alanine by pea bacteroids.
Molecular microbiology - 1 Apr 2000
Allaway D, Lodwig E M, Crompton L A, Wood M, Parsons R, Wheeler T R, Poole P S
Abstract excerpt
N2-fixation by Rhizobium-legume symbionts is of major ecological and agricultural importance, responsible for producing a substantial fraction of the biosphere's nitrogen. On the basis of 15N-labelling studies, it had been generally accepted that ammonium is the sole secretion product of N2-fixation by the bacteroid and that the plant is responsible for assimilating it into amino acids. However, this paradigm has...
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